NTC-3950-10K参考：NTC B值3950(B 3950NTC热敏电阻)
采用电阻分压3v3===
<===上阻是NTC
<===下阻是NTC
gd32f103保持电容Cadc=40pF(max)，充电电阻Radc=0.2K，对外部输入电阻要求小于50K。主要影响充电时间，即采样时间。
假设8M主频，最长采样时间125ns*239.5=30us
考虑到对输入阻抗的要求，可以用简单分压后校正；或者分压后运放跟随，保证精度。
| Temp | Res | Rup=NTC | Rdn=NTC |
| 0 | 32.6142 | 0.415659454 | 2.884340546 |
| 1 | 30.9966 | 0.434495162 | 2.865504838 |
| 2 | 29.4688 | 0.453922877 | 2.846077123 |
| 3 | 28.0251 | 0.473948132 | 2.826051868 |
| 4 | 26.6606 | 0.494569619 | 2.805430381 |
| 5 | 25.3704 | 0.515789614 | 2.784210386 |
| 6 | 24.1501 | 0.537606455 | 2.762393545 |
| 7 | 22.9955 | 0.560018776 | 2.739981224 |
| 8 | 21.9028 | 0.583021336 | 2.716978664 |
| 9 | 20.8682 | 0.606612902 | 2.693387098 |
| 10 | 19.8884 | 0.630785248 | 2.669214752 |
| 11 | 18.9602 | 0.65553123 | 2.64446877 |
| 12 | 18.0806 | 0.680842471 | 2.619157529 |
| 13 | 17.2467 | 0.706712171 | 2.593287829 |
| 14 | 16.4561 | 0.733121889 | 2.566878111 |
| 15 | 15.7061 | 0.760066843 | 2.539933157 |
| 16 | 14.9945 | 0.787529513 | 2.512470487 |
| 17 | 14.3191 | 0.815496001 | 2.484503999 |
| 18 | 13.6779 | 0.843948438 | 2.456051562 |
| 19 | 13.069 | 0.872868479 | 2.427131521 |
| 20 | 12.4905 | 0.902242518 | 2.397757482 |
| 21 | 11.9409 | 0.932040935 | 2.367959065 |
| 22 | 11.4184 | 0.962254318 | 2.337745682 |
| 23 | 10.9217 | 0.99284969 | 2.30715031 |
| 24 | 10.4494 | 1.023802923 | 2.276197077 |
| 25 | 10 | 1.055102041 | 2.244897959 |
| 26 | 9.5724 | 1.086712816 | 2.213287184 |
| 27 | 9.1654 | 1.118611796 | 2.181388204 |
| 28 | 8.7779 | 1.150772746 | 2.149227254 |
| 29 | 8.4089 | 1.183165636 | 2.116834364 |
| 30 | 8.0574 | 1.215764968 | 2.084235032 |
| 31 | 7.7225 | 1.248540954 | 2.051459046 |
| 32 | 7.4033 | 1.28146869 | 2.01853131 |
| 33 | 7.099 | 1.31451818 | 1.98548182 |
| 34 | 6.8088 | 1.347664396 | 1.952335604 |
| 35 | 6.5321 | 1.380863774 | 1.919136226 |
| 36 | 6.268 | 1.414113786 | 1.885886214 |
| 37 | 6.016 | 1.447368421 | 1.852631579 |
| 38 | 5.7755 | 1.480597585 | 1.819402415 |
| 39 | 5.5459 | 1.513776242 | 1.786223758 |
| 40 | 5.3266 | 1.546885285 | 1.753114715 |
| 41 | 5.1171 | 1.579896303 | 1.720103697 |
| 42 | 4.9169 | 1.612785825 | 1.687214175 |
| 43 | 4.7257 | 1.64550113 | 1.65449887 |
| 44 | 4.5428 | 1.678062925 | 1.621937075 |
| 45 | 4.368 | 1.710410234 | 1.589589766 |
| 46 | 4.2008 | 1.742539996 | 1.557460004 |
| 47 | 4.0409 | 1.774416822 | 1.525583178 |
| 48 | 3.8878 | 1.806050444 | 1.493949556 |
| 49 | 3.7414 | 1.837372948 | 1.462627052 |
| 50 | 3.6012 | 1.868404568 | 1.431595432 |
| 51 | 3.467 | 1.899106159 | 1.400893841 |
| 52 | 3.3385 | 1.929464452 | 1.370535548 |
| 53 | 3.2154 | 1.95947141 | 1.34052859 |
| 54 | 3.0975 | 1.98909907 | 1.31090093 |
| 55 | 2.9845 | 2.018348624 | 1.281651376 |
| 56 | 2.8762 | 2.047200443 | 1.252799557 |
| 57 | 2.7723 | 2.075666127 | 1.224333873 |
| 58 | 2.6727 | 2.103706919 | 1.196293081 |
| 59 | 2.5772 | 2.131314242 | 1.168685758 |
| 60 | 2.4856 | 2.158483634 | 1.141516366 |
| 61 | 2.3977 | 2.185214929 | 1.114785071 |
| 62 | 2.3134 | 2.211480879 | 1.088519121 |
| 63 | 2.2324 | 2.237320409 | 1.062679591 |
| 64 | 2.1547 | 2.26268108 | 1.03731892 |
| 65 | 2.0801 | 2.287576879 | 1.012423121 |
| 66 | 2.0084 | 2.312026713 | 0.987973287 |
| 67 | 1.9396 | 2.335984095 | 0.964015905 |
| 68 | 1.8734 | 2.359509538 | 0.940490462 |
| 69 | 1.8098 | 2.382561676 | 0.917438324 |
| 70 | 1.7487 | 2.405135919 | 0.894864081 |
| 71 | 1.69 | 2.427230047 | 0.872769953 |
| 72 | 1.6335 | 2.448882924 | 0.851117076 |
| 73 | 1.5792 | 2.47005988 | 0.82994012 |
| 74 | 1.5269 | 2.490806019 | 0.809193981 |
| 75 | 1.4767 | 2.51104959 | 0.78895041 |
| 76 | 1.4283 | 2.530881321 | 0.769118679 |
| 77 | 1.3818 | 2.550231839 | 0.749768161 |
| 78 | 1.3369 | 2.569199424 | 0.730800576 |
| 79 | 1.2938 | 2.58767393 | 0.71232607 |
| 80 | 1.2523 | 2.605715438 | 0.694284562 |
| 81 | 1.2123 | 2.623344553 | 0.676655447 |
| 82 | 1.1737 | 2.6405843 | 0.6594157 |
| 83 | 1.1366 | 2.657369016 | 0.642630984 |
| 84 | 1.1008 | 2.673769135 | 0.626230865 |
| 85 | 1.0663 | 2.689766401 | 0.610233599 |
| 86 | 1.0331 | 2.705342659 | 0.594657341 |
| 87 | 1.0011 | 2.720527617 | 0.579472383 |
| 88 | 0.9702 | 2.73535325 | 0.56464675 |
| 89 | 0.9404 | 2.749804978 | 0.550195022 |
| 90 | 0.9116 | 2.763917599 | 0.536082401 |
| 91 | 0.8839 | 2.777628539 | 0.522371461 |
| 92 | 0.8572 | 2.790973872 | 0.509026128 |
| 93 | 0.8314 | 2.803991756 | 0.496008244 |
| 94 | 0.8064 | 2.816722359 | 0.483277641 |
| 95 | 0.7824 | 2.82905297 | 0.47094703 |
| 96 | 0.7592 | 2.841075615 | 0.458924385 |
| 97 | 0.7367 | 2.85283352 | 0.44716648 |
| 98 | 0.7151 | 2.864213034 | 0.435786966 |
| 99 | 0.6942 | 2.875310519 | 0.424689481 |
| 100 | 0.6739 | 2.886172054 | 0.413827946 |
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